Desktop.models.Login.Main = function(){
	this.CheckUserPass = function(userName, password, callbackFn){
		Ext.Ajax.request({
			url : 'Desktop/includes/Login/Login.php' , 
			params : {
			'username' : userName,
			'password' : password
			},
			success: callbackFn,
			failure: callbackFn
		});
	}
};